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In March 1956 and March 1958 members of OSNZ made bird censuses of lakes in the North Kaipara area from Pouto to west of Kaihu. The results are tabulated. Poor weather and shortage of trained observers may have caused low counts. There were few Mallard Duck (
Anas platyrhynchos). Lack of habitat is suggested as the reason for low numbers of Pied Stilt (
Himantopus leucocephalus) and Pukeko (
Porhpyrio melanotus) but Bittern (
Botaurus poiciloptilus) were relatively numerous. Whitefaced Heron (
Ardea novaehollandiae) and Welcome Swallow (
Hirundo neoxena) were not found.